38909241

素因数分解:

$3^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:603

約数の個数: 40

約数和(自身を含む): 66993344

約数和(自身を除く): 28084103

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 163, 189, 421, 489, 567, 1141, 1263, 1467, 2947, 3423, 3789, 4401, 8841, 10269, 11367, 13203, 26523, 30807, 34101, 68623, 79569, 92421, 205869, 238707, 480361, 617607, 1441083, 1852821, 4323249, 5558463, 12969747, 38909241]

約数ペア:

[(1, 38909241), (3, 12969747), (7, 5558463), (9, 4323249), (21, 1852821), (27, 1441083), (63, 617607), (81, 480361), (163, 238707), (189, 205869), (421, 92421), (489, 79569), (567, 68623), (1141, 34101), (1263, 30807), (1467, 26523), (2947, 13203), (3423, 11367), (3789, 10269), (4401, 8841)]